四自由度微创手术器械的机构综合及运动学分析
李坤,李继华,李磊,卓越,潘博,付宜利

Mechanism synthesis and kinematic analysis of 4-DOF minimally invasive surgical instrument
Kun LI,Ji-hua LI,Lei LI,Yue ZHUO,Bo PAN,Yi-li FU
表 1 手术器械的改进D-H参数
Tab.1 Modified D-H parameters of surgical instrument
i ai-1 /(º) ai-1 /mm di /mm θi /(º)
1 0 0 0 θ1
2 90 0 0 θ2
3(3’) 90 a3 0 θ3 (θ3’)
tool 0 at 0 0